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Re: [3.4] fixup_reorder_chain fix

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Jan Hubicka <jh at suse dot cz>
Cc: gcc-patches at gcc dot gnu dot org
Date: Sun, 2 Oct 2005 21:40:59 +0200
Subject: Re: [3.4] fixup_reorder_chain fix
References: <200509222039.55231.ebotcazou@adacore.com> <200510022100.02294.ebotcazou@adacore.com> <20051002190601.GX18578@kam.mff.cuni.cz>

> This is what the former code attempted to do but that leads to ICE too.

What former code?

> The problem is that edge redirection code knows about the fact that the
> fallthru edge might be identified with the branch edge and will cowardly
> refuse to do the redirection...

What redirection?  force_nonfallthru doesn't redirect, it blindly changes the 
predecessor of the fallthru edge.  This works fine on the testcase I sent 
you.  FWIW the patch has been successfully run against our Ada testsuite.

-- 
Eric Botcazou

Follow-Ups:
- Re: [3.4] fixup_reorder_chain fix
  - From: Jan Hubicka

References:
- Re: [3.4] fixup_reorder_chain fix
  - From: Eric Botcazou
- Re: [3.4] fixup_reorder_chain fix
  - From: Jan Hubicka

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